For such a well-trafficked site, Reddit keeps its number of employees relatively low and uses an unapologetically retro site design, yet it's a near-bottomless source of news and humor for the Internet-at-large every single day.

Its New York office operates out of a coworking space, but here's a brief look at its San Francisco space, for which it holds a proper lease. Reuters recently came through and took some pictures, and you'll see that it seems to mirror the positive, low-key vibe of the site.

A sign on the door warns of nerds who shouldn't be allowed to escape.

Reddit's red-eyed alien mascot greets you when you walk in.

These appear to be the previously mentioned nerds — Reddit employees pore over their computer screens.

Reddit programmer Keith Mitchell works beside an image of the Reddit alien piloting a giant robot.

The office is littered with images of the company mascot. Here's a large one:

But there are smaller ones all over the place.

Reddit saw 713 million unique visitors last year, and it did it all with a small team and alien mascots.